could more than one correct answer

1. When you write a call option, which of the following scenarios can happen to you? (a) You receive the premium when writing the option (b) You receive the premium at the maturity day of the opion (c) You have the right to sell the underlying at the strike price (d) You have the obligation to buy the underlying at the strike price if your counterparty decides to exercise his/her option (e) Your potential loss could be infinity. (f) You are better off if the option ended up out of the money